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KOMATSU GALEO PC300LC-7L PC300HD-7L HYDRAULIC EXCAVATOR Operation & Maintenance Manual (SN:A85001 & UP) – PDF DOWNLOAD
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- KOMATSU GALEO PC300LC-7L PC300HD-7L HYDRAULIC EXCAVATOR Operation & Maintenance Manual
- SERIAL NUMBER:A85001 & UP
- PUBLICATION NUMBER:CEAM008802
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Description
KOMATSU GALEO PC300LC-7L PC300HD-7L HYDRAULIC EXCAVATOR Operation & Maintenance Manual (SN:A85001 & UP)
KOMATSU GALEO PC300LC-7L PC300HD-7L HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (SN:A85001 & UP) – PDF DOWNLOAD:
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KOMATSU GALEO PC300LC-7L PC300HD-7L HYDRAULIC EXCAVATOR Operation & Maintenance Manual (SN:A85001 & UP)
Operators and maintenance personnel must always do as follows before beginning operation or maintenance.
● Always be sure to read and understand this manual thoroughly before performing operation and maintenance.
● Read the safety messages given in this manual and the safety labels affixed to the machine thoroughly and be sure that you understand them fully. Keep this manual in the storage location for the Operation and Maintenance Manual given below, and have all personnel read it periodically. If this manual has been lost or has become dirty and cannot be read, request a replacement manual immediately from Komatsu or your Komatsu distributor.
- If you sell the machine, be sure to give this manual to the new owners together with the machine. Komatsu delivers machines that comply with all applicable regulations and standards of the country to which it hasbeen shipped.
- If this machine has been purchased in another country or purchased from someone in another country, it may lack certain safety devices and specifications that are necessary for use in your country.
- If there is any question about whether your product complies with the applicable standards and regulations of your country, consult Komatsu or your Komatsu distributor before operating the machine.
TABLE OF CONTENTS:
KOMATSU GALEO PC300LC-7L PC300HD-7L HYDRAULIC EXCAVATOR Operation & Maintenance Manual (SN:A85001 & UP)
MAIN MENU............................................................................. 0 COVER................................................................................. 1 INTRODUCTION.......................................................................... 5 FOREWORD.......................................................................... 6 SAFETY INFORMATION................................................................ 7 SIGNAL WORDS.................................................................. 7 OTHER SIGNAL WORDS............................................................ 7 INTRODUCTION...................................................................... 8 DIRECTIONS OF MACHINE............................................................. 9 PRODUCT INFORMATION............................................................... 10 MACHINE SERIAL NUMBER PLATE................................................... 10 ENGINE SERIAL NUMBER PLATE.................................................... 10 SERVICE METER LOCATION........................................................ 11 YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR................................... 11 TABLE OF CONTENTS..................................................................... 12 SAFETY................................................................................ 23 SAFETY LABELS..................................................................... 24 SAFETY INFORMATION................................................................ 30 SAFETY RULES.................................................................. 30 IF ABNORMALITIES ARE FOUND.................................................... 30 WORKING WEAR AND PERSONAL PROTECTIVE ITEMS.................................... 30 FIRE EXTINGUISHER AND FIRST AID KIT........................................... 30 SAFETY EQUIPMENT.............................................................. 31 KEEP MACHINE CLEAN............................................................ 31 KEEP OPERATOR'S COMPARTMENT CLEAN............................................. 31 LEAVING OPERATOR'S SEAT WITH LOCK............................................. 31 HANDRAILS AND STEPS........................................................... 32 MOUNTING AND DISMOUNTING...................................................... 32 NO PERSONS ON ATTACHMENTS..................................................... 32 BURN PREVENTION............................................................... 32 HOT COOLANT............................................................... 32 HOT OIL................................................................... 32 FIRE PREVENTION AND EXPLOSION PREVENTION...................................... 33 FIRE CAUSED BY FUEL OR OIL................................................ 33 FIRE CAUSED BY ACCUMULATION OF FLAMMABLE MATERIAL......................... 33 FIRE COMING FROM ELECTRIC WIRING.......................................... 33 FIRE COMING FROM HYDRAULIC LINE........................................... 33 EXPLOSION CAUSED BY LIGHTING EQUIPMENT.................................... 34 ACTION IF FIRE OCCURS......................................................... 34 WINDSHIELD WASHER FLUID....................................................... 34 FALLING OBJECTS, FLYING OBJECTS AND INTRUDING OBJECTS PREVENTION.............. 34 ATTACHMENT INSTALLATION....................................................... 34 ATTACHMENT COMBINATIONS....................................................... 34 CAB WINDOW GLASS.............................................................. 35 UNAUTHORIZED MODIFICATIONS.................................................... 35 SAFETY AT JOBSITE............................................................. 35 WORKING ON LOOSE GROUND....................................................... 35 DISTANCE TO HIGH VOLTAGE CABLES............................................... 36 ENSURE GOOD VISIBILITY........................................................ 36 VENTILATION FOR ENCLOSED AREA................................................. 37 SIGNALMAN'S SIGNAL AND SIGNS.................................................. 37 EMERGENCY EXIT FROM OPERATOR'S CAB............................................ 37 ASBESTOS DUST HAZARD PREVENTION............................................... 37 SAFE MACHINE OPERATION............................................................ 38 STARTING ENGINE............................................................... 38 CHECKS BEFORE STARTING ENGINE................................................. 38 SAFETY RULES FOR STARTING ENGINE.............................................. 38 STARTING ENGINE IN COLD WEATHER............................................... 38 OPERATION......................................................................... 39 CHECKS AFTER STARTING ENGINE, BEFORE OPERATION................................ 39 SAFETY RULES FOR CHANGING MACHINE DIRECTIONS.................................. 39 SAFETY RULES FOR TRAVELING.................................................... 40 TRAVELING ON SLOPES........................................................... 40 OPERATIONS ON SLOPES.......................................................... 41 PROHIBITED OPERATIONS......................................................... 41 OPERATIONS ON SNOW............................................................ 42 PARKING MACHINE............................................................... 43 TRANSPORTATION................................................................ 43 SHIPPING THE MACHINE.......................................................... 43 BATTERY....................................................................... 44 BATTERY HAZARD PREVENTION................................................. 44 STARTING ENGINE WITH BOOSTER CABLES....................................... 45 TOWING........................................................................ 45 SAFETY RULES FOR TOWING................................................... 45 LIFTING OBJECTS WITH THE BUCKET............................................... 46 SAFETY RULES FOR LIFTING OBJECTS.......................................... 46 SAFETY MAINTENANCE INFORMATION.................................................... 46 WARNING TAG................................................................... 46 KEEP WORK PLACE CLEAN AND TIDY................................................ 47 APPOINT LEADER WHEN WORKING WITH OTHERS....................................... 47 STOP ENGINE BEFORE CARRYING OUT MAINTENANCE................................... 47 TWO WORKERS FOR MAINTENANCE WHEN ENGINE IS RUNNING............................ 48 PROPER TOOLS.................................................................. 48 ACCUMULATOR................................................................... 48 PERSONNEL..................................................................... 49 ATTACHMENTS................................................................... 49 NOISE......................................................................... 49 WHEN USING HAMMER............................................................. 50 WELDING....................................................................... 50 REMOVING BATTERY TERMINALS.................................................... 50 ADJUSTING TRACK TENSION....................................................... 50 DO NOT DISASSEMBLE RECOIL SPRINGS............................................. 50 SAFETY RULES FOR HIGH PRESSURE OIL............................................ 51 SAFETY HANDLING HIGH PRESSURE HOSES........................................... 51 WASTE MATERIALS............................................................... 51 AIR CONDITIONER MAINTENANCE................................................... 52 COMPRESSED AIR................................................................ 52 PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS................................. 52 OPERATION............................................................................. 53 GENERAL VIEW...................................................................... 54 GENERAL VIEW OF MACHINE....................................................... 54 GENERAL VIEW CONTROLS AND GAUGES.......................................... 55 EXPLANATION OF COMPONENTS......................................................... 56 MACHINE MONITOR............................................................... 56 BASIC OPERATION OF MACHINE MONITOR............................................ 57 IF THERE IS A PROBLEM WHEN STARTING THE ENGINE............................ 57 IF ANY PROBLEM OCCURS DURING OPERATION.................................... 58 BASIC CHECK ITEMS............................................................. 59 RADIATOR WATER LEVEL MONITOR.............................................. 59 ENGINE OIL LEVEL MONITOR.................................................. 60 MAINTENANCE INTERVAL MONITOR.............................................. 60 CAUTION ITEMS................................................................. 61 CHARGE MONITOR............................................................ 61 FUEL LEVEL MONITOR........................................................ 62 AIR CLEANER CLOGGING MONITOR.............................................. 62 ENGINE WATER TEMPERATURE MONITOR.......................................... 62 HYDRAULIC OIL TEMPERATURE MONITOR......................................... 62 EMERGENCY STOP ITEMS.......................................................... 63 ENGINE WATER TEMPERATURE MONITOR.......................................... 63 HYDRAULIC OIL TEMPERATURE MONITOR......................................... 64 ENGINE OIL PRESSURE MONITOR............................................... 64 METER DISPLAY PORTION......................................................... 65 PILOT DISPLAY............................................................. 65 SWING LOCK MONITOR........................................................ 65 METERS.................................................................... 67 MONITOR SWITCHES.............................................................. 69 WORKING MODE SELECTOR SWITCH (BASIC SWITCH)............................... 70 AUTO DECELERATION SWITCH.................................................. 70 TRAVEL SPEED SELECTOR SWITCH.............................................. 71 WIPER SWITCH.............................................................. 72 WINDOW WASHER SWITCH...................................................... 73 MAINTENANCE SWITCH........................................................ 73 SELECT SWITCH............................................................. 75 BACK SWITCH............................................................... 76 UP SWITCH, DOWN SWITCH.................................................... 77 INPUT CONFIRMATION SWITCH................................................. 77 LIQUID CRYSTAL MONITOR ADJUSTMENT SWITCH.................................. 77 SWITCHES...................................................................... 79 STARTING SWITCH........................................................... 79 FUEL CONTROL DIAL......................................................... 80 CIGARETTE LIGHTER......................................................... 80 SWING LOCK SWITCH......................................................... 80 LAMP SWITCH............................................................... 81 ALARM BUZZER STOP SWITCH.................................................. 81 MACHINE PUSH UP SWITCH.................................................... 81 HORN SWITCH............................................................... 81 KNOB SWITCH............................................................... 82 ROOM LAMP SWITCH.......................................................... 82 AUXILIARY PUMP DRIVE SWITCH............................................... 82 AUXILIARY FUEL SOLENOID DRIVE SWITCH...................................... 83 SWING BRAKE CANCEL SWITCH................................................. 83 ROTATING LAMP SWITCH...................................................... 83 CONTROL LEVERS, PEDALS........................................................ 84 SAFETY LOCK LEVER......................................................... 84 TRAVEL LEVERS............................................................. 85 WORK EQUIPMENT CONTROL LEVER.............................................. 86 CEILING WINDOW................................................................ 87 WHEN OPENING.............................................................. 87 WHEN CLOSING.............................................................. 87 FRONT WINDOW.................................................................. 87 WHEN CLOSING.............................................................. 89 FRONT BOTTOM WINDOW........................................................... 91 EMERGENCY EXIT FROM OPERATOR'S CAB............................................ 91 DOOR LOCK..................................................................... 92 CAP, COVER WITH LOCK.......................................................... 92 METHOD OF OPENING AND CLOSING CAP WITH LOCK............................... 92 METHOD OF OPENING AND CLOSING COVER WITH LOCK............................. 93 HOT AND COOL BOX.............................................................. 93 MAGAZINE BOX WITH CUP HOLDER.................................................. 93 ASHTRAY....................................................................... 93 AIR CONDITIONER............................................................... 94 GENERAL LOCATION OF CONTROL PANEL......................................... 94 METHOD OF OPERATION....................................................... 98 PRECAUTIONS WHEN USING AIR CONDITIONER....................................104 CHECK, MAINTAIN MACHINE AIR CONDITIONER...................................104 RADIO.........................................................................106 EXPLANATION OF COMPONENTS.................................................106 OPERATION.................................................................109 POWER PICK UP PORT............................................................111 24V POWER SOURCE..........................................................111 12V POWER SOURCE..........................................................111 FUSE..........................................................................112 FUSE CAPACITIES AND CIRCUIT NAMES.........................................112 FUSIBLE LINK..................................................................112 CONTROLLER (COMPUTER).........................................................113 TOOLBOX.......................................................................113 GREASE GUN HOLDER.............................................................113 HANDLING THE ACCUMULATOR......................................................114 RELEASING PRESSURE IN CONTROL CIRCUIT.....................................114 MACHINE OPERATIONS AND CONTROLS...................................................115 BEFORE STARTING ENGINE........................................................115 WALK AROUND CHECKS........................................................115 CHECKS BEFORE STARTING....................................................116 ADJUSTMENTS BEFORE OPERATION..............................................121 ADJUSTMENT OF MIRRORS.....................................................122 SEAT BELT.................................................................123 BEFORE STARTING ENGINE....................................................123 STARTING ENGINE...............................................................126 NORMAL STARTING...........................................................126 STARTING ENGINE IN COLD WEATHER...........................................127 AFTER STARTING ENGINE.........................................................130 BREAKING IN A NEW MACHINE.................................................130 WARM UP OPERATION.........................................................130 AUTOMATIC WARM UP OPERATION...................................................134 STOPPING THE ENGINE...........................................................138 CHECK AFTER SHUTTING OFF ENGINE...............................................138 MACHINE OPERATION.............................................................139 PREPARATIONS FOR MOVING THE MACHINE.......................................139 MOVING MACHINE FORWARD....................................................140 MOVING MACHINE BACKWARD...................................................140 STOPPING MACHINE..........................................................141 STEERING THE MACHINE..........................................................142 STEERING THE MACHINE WHEN STOPPED.........................................142 CHANGING DIRECTION OF THE MACHINE.........................................142 COUNTER ROTATION TURN, SPIN TURN..........................................143 SWINGING......................................................................144 EQUIPMENT CONTROLS AND OPERATIONS.............................................145 OPERATING WORKING MODE........................................................146 WORKING MODE..............................................................146 ONE TOUCH POWER MAX SWITCH................................................146 PROHIBITED OPERATIONS.........................................................147 OPERATIONS USING SWING FORCE..............................................147 OPERATIONS USING TRAVEL FORCE.............................................147 OPERATIONS USING CYLINDER STROKE ENDS.....................................147 OPERATIONS USING BUCKET DROPPING FORCE....................................148 OPERATIONS USING MACHINE DROPPING FORCE...................................148 DIGGING HARD ROCKY GROUND.................................................148 SUDDEN LEVER SHIFTING HIGH SPEED TRAVEL...................................148 GENERAL OPERATION INFORMATION.................................................149 TRAVELING.................................................................149 HIGH SPEED TRAVEL.........................................................149 PERMISSIBLE WATER DEPTH...................................................149 TRAVELING ON SLOPES...........................................................150 TRAVELING DOWNHILL........................................................151 ENGINE STOPPED ON SLOPE...................................................151 PRECAUTIONS ON SLOPES.....................................................151 ESCAPE FROM MUD...............................................................152 ONE SIDE OF TRACK STUCK...................................................152 BOTH SIDES OF TRACKS STUCK................................................152 RECOMMENDED APPLICATIONS......................................................153 BACKHOE WORK..............................................................153 SHOVEL WORK...............................................................153 DITCHING WORK.............................................................153 LOADING WORK..............................................................154 REPLACEMENT AND INVERSION OF BUCKET...........................................155 REPLACEMENT...............................................................155 INVERSION.................................................................156 PARKING THE MACHINE...........................................................158 CHECK AFTER FINISHING WORK....................................................159 LOCKING.......................................................................160 TRANSPORTATION....................................................................160 TRANSPORTATION PROCEDURE......................................................160 LOADING.......................................................................162 LOADING AND UNLOADING WITH TRAILER........................................161 SECURING THE MACHINE......................................................164 UNLOADING.................................................................165 LIFTING THE MACHINE...........................................................168 COLD WEATHER OPERATION............................................................169 FUEL AND LUBRICANTS...........................................................169 COOLING SYSTEM COOLANT........................................................169 BATTERY.......................................................................170 AFTER OPERATIONS..............................................................171 AFTER COLD WEATHER SEASON.....................................................171 LONG TERM STORAGE.................................................................172 BEFORE STORAGE................................................................172 DURING STORAGE................................................................172 AFTER STORAGE.................................................................172 TROUBLESHOOTING...................................................................173 AFTER RUNNING OUT OF FUEL.....................................................173 PHENOMENA THAT ARE NOT FAILURES...............................................173 TOWING THE MACHINE............................................................174 LIGHTWEIGHT TOWING HOOK.......................................................174 PRECAUTIONS ON PARTICULAR JOB SITES...........................................174 DISCHARGED BATTERY............................................................175 REMOVAL AND INSTALLATION OF BATTERY.......................................175 BATTERY CHARGES...........................................................176 STARTING ENGINE WITH BOOSTER CABLES.......................................176 OTHER TROUBLE.................................................................178 ELECTRICAL SYSTEM.........................................................178 CHASSIS...................................................................179 ENGINE....................................................................180 ELECTRONIC CONTROL SYSTEM.................................................181 MAINTENANCE...........................................................................183 MAINTENANCE INFORMATION...........................................................184 SERVICE METER READING.........................................................184 GENUINE KOMATSU REPLACEMENT PARTS.............................................184 GENUINE KOMATSU LUBRICANTS....................................................184 WINDSHIELD WASHER FLUID.......................................................184 FRESH AND CLEAN LUBRICANTS....................................................184 CHECK DRAINED OIL AND USED FILTER.............................................184 FUEL STRAINER.................................................................184 WELDING INSTRUCTIONS..........................................................184 DO NOT DROP THINGS INSIDE MACHINE.............................................184 DUSTY JOBSITE.................................................................185 AVOID MIXING LUBRICANTS.......................................................185 LOCKING THE INSPECTION COVERS.................................................185 HYDRAULIC SYSTEM - AIR BLEEDING...............................................185 HYDRAULIC HOSE INSTALLATION...................................................185 CHECKS AFTER INSPECTION AND MAINTENANCE WORKS.................................185 SELECTING FUEL AND LUBRICANTS TO MATCH AMBIENT TEMPERATURE....................186 LUBRICANTS, COOLANT AND FILTERS...................................................186 HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC........................186 OIL.......................................................................186 FUEL......................................................................186 COOLING SYSTEM COOLANT....................................................187 GREASE....................................................................187 CARRYING OUT KOWA (KOMATSU OIL WEAR ANALYSIS).............................187 OIL AND FUEL STORAGE......................................................188 FILTERS...................................................................188 ELECTRIC SYSTEM MAINTENANCE...................................................189 HANDLING HYDRAULIC SYSTEM.....................................................189 WEAR PARTS LIST...................................................................190 USE OF FUEL, COOLANT AND LUBRICANTS...............................................191 PROPER SELECTION OF FUEL, COOLANT AND LUBRICANTS..............................191 TIGHTENING TORQUE SPECIFICATIONS..................................................193 BOLT IDENTIFICATION CHART.....................................................193 PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS.....................................195 SAFETY CRITICAL PARTS.........................................................195 MAINTENANCE SCHEDULE CHART........................................................196 MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER....................................198 REPLACING HYDRAULIC ELEMENT...............................................198 CHANGING OIL IN HYDRAULIC TANK............................................198 REPLACING ADDITIONAL FILTER ELEMENT FOR BREAKER...........................198 MAINTENANCE PROCEDURE.............................................................199 INITIAL 10 HOURS MAINTENANCE..................................................199 LUBRICATION...............................................................199 INITIAL 250 HOURS MAINTENANCE.................................................201 REPLACE THE FUEL FILTER CARTRIDGE.........................................201 INITIAL 1000 HOURS MAINTENANCE................................................201 WHEN REQUIRED.................................................................202 CHECK, CLEAN AND REPLACE AIR CLEANER ELEMENT..............................202 CLEAN INSIDE OF COOLING SYSTEM............................................205 CHECK AND TIGHTEN TRACK SHOE BOLTS........................................207 CHECK AND ADJUST TRACK TENSION............................................207 CHECK ELECTRICAL INTAKE AIR HEATER........................................209 REPLACE THE BUCKET TEETH (PARABOLIC TEETH)................................209 REPLACE THE BUCKET TEETH (SERIES 5 TEETH).................................211 REPLACE THE BUCKET TEETH (KVX TEETH)......................................215 ADJUST BUCKET CLEARANCE...................................................217 CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID................................217 CHECK AND ADJUST AIR CONDITIONER..........................................218 CLEANING CAB FLOOR........................................................219 METHOD OF SETTING THE MACHINE ANGLE.......................................221 BLEEDING AIR FROM HYDRAULIC SYSTEM........................................221 RELEASING INTERNAL PRESSURE IN HYDRAULIC CIRCUIT..........................223 CHECK BEFORE STARTING.........................................................224 CHECK COOLANT LEVEL, ADD COOLANT..........................................224 CHECK OIL LEVEL IN ENGINE OIL PAN, ADD OIL................................224 CHECK FUEL LEVEL, ADD FUEL................................................225 DRAIN WATER, SEDIMENT FROM FUEL TANK......................................226 CHECK FOR WATER AND SEDIMENT IN WATER SEPARATOR...........................226 CHECK OIL LEVEL IN HYDRAULIC TANK, ADD OIL................................227 CHECK ELECTRIC WIRING.....................................................228 CHECK HORN FUNCTION.......................................................228 EVERY 50 HOURS MAINTENANCE....................................................229 LUBRICATION...............................................................229 EVERY 250 HOURS MAINTENANCE...................................................230 LUBRICATION...............................................................230 CHECK OIL LEVEL IN MACHINERY CASE, ADD OIL................................231 CHECK OIL LEVEL IN FINAL DRIVE CASE, ADD OIL..............................231 CHECK LEVEL OF BATTERY ELECTROLYTE........................................232 LUBRICATE SWING CIRCLE (2 POINTS).........................................234 CHECK, ADJUST TENSION OF AIR CONDITIONER COMPRESSOR BELT..................234 EVERY 500 HOURS MAINTENANCE...................................................235 PREVIOUS MAINTENANCE......................................................235 LUBRICATION...............................................................235 REPLACE THE FUEL FILTER CARTRIDGE.........................................236 CHECK THE SWING PINION GREASE LEVEL, ADD GREASE...........................237 CHANGE ENGINE OIL, REPLACE FILTER CARTRIDGE...............................238 CLEAN AND INSPECT RADIATOR, OIL COOLER, AFTERCOOLER AND CONDENSER FINS....240 CLEAN AIR CONDITIONER SYSTEM AIR FILTERS..................................241 REPLACE BREATHER ELEMENT IN HYDRAULIC TANK CAP............................242 EVERY 1000 HOURS MAINTENANCE..................................................243 PREVIOUS MAINTENANCE......................................................243 REPLACE HYDRAULIC FILTER ELEMENT..........................................243 CHANGE OIL IN SWING MACHINERY CASE........................................244 CHECK OIL LEVEL IN DAMPER CASE, ADD OIL...................................244 REPLACE THE CORROSION RESISTOR CARTRIDGE..................................245 CHECK ALL TIGHTENING PARTS OF TURBOCHARGER................................245 CHECK PLAY OF TURBOCHARGER ROTOR..........................................245 CHECK FAN BELT TENSION AND REPLACE FAN BELT...............................245 EVERY 2000 HOURS MAINTENANCE..................................................246 PREVIOUS MAINTENANCE......................................................246 CHANGE OIL IN FINAL DRIVE CASE............................................246 CLEAN HYDRAULIC TANK STRAINER.............................................246 CLEAN THE ENGINE BREATHER.................................................247 CLEAN, CHECK TURBOCHARGER.................................................247 CHECK ALTERNATOR, STARTING MOTOR..........................................247 CHECK ENGINE VALVE CLEARANCE, ADJUST......................................247 CHECK VIBRATION DAMPER....................................................247 EVERY 4000 HOURS MAINTENANCE..................................................248 PREVIOUS MAINTENANCE......................................................248 CHECK WATER PUMP..........................................................248 EVERY 5000 HOURS MAINTENANCE..................................................249 PREVIOUS MAINTENANCE......................................................249 CHANGE OIL IN HYDRAULIC TANK..............................................249 SPECIFICATIONS........................................................................251 SPECIFICATIONS....................................................................252 DIMENSIONS....................................................................252 WORKING RANGE.................................................................254 LIFTING CAPACITY..............................................................256 OPTIONS, ATTACHMENTS..................................................................263 GENERAL PRECAUTIONS...............................................................264 SAFETY RELATED PRECAUTIONS....................................................264 PRECAUTIONS WHEN INSTALLING ATTACHMENTS.......................................265 HANDLING THE BUCKET WITH HOOK.....................................................266 CHECKING FOR DAMAGE TO BUCKET HOOK............................................266 PROHIBITED OPERATIONS.........................................................266 PRECAUTIONS DURING OPERATIONS.............................................266 MACHINES READY FOR ATTACHMENTS....................................................267 EXPLANATION OF COMPONENTS.....................................................267 STOP VALVE................................................................267 SELECTOR VALVE............................................................268 ATTACHMENT CONTROL PEDAL..................................................268 LOCK PIN..................................................................268 ADDITIONAL FILTER FOR BREAKER.............................................269 ACCUMULATOR...............................................................269 HYDRAULIC CIRCUIT.............................................................269 SWITCHING THE HYDRAULIC CIRCUIT...........................................269 ADJUSTING OIL FLOW........................................................270 SWITCHING BETWEEN BREAKER AND GENERAL ATTACHMENT..........................270 HYDRAULIC CIRCUIT CONNECTION..............................................270 PATH OF OIL...............................................................271 REPLACE ADDITIONAL BREAKER FILTER ELEMENT.................................271 ATTACHMENT INSTALLATION AND REMOVAL...........................................272 REMOVAL...................................................................272 INSTALLATION..............................................................273 OPERATION.....................................................................274 WHEN USING BREAKER........................................................274 WHEN USING CRUSHER OR OTHER GENERAL ATTACHMENT............................275 LONG TERM STORAGE.............................................................276 SPECIFICATIONS................................................................276 COMBINATIONS OF WORK EQUIPMENT FOR PC300LC-7......................................277 ATTACHMENT OPERATIONS.............................................................278 HYDRAULIC BREAKER.............................................................278 MAIN APPLICATIONS.........................................................278 PROHIBITED OPERATIONS.....................................................279 GREASING POSITION FOR HYDRAULIC BREAKER...................................281
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